3.7m Rx Tx Ring Focus Earth Station Antenna

3.7m Rx Tx Ring Focus Earth Station Antenna
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Product Details

Characteristics:

Conform to the CCIR580-4 standards and INTELSAT access requirements;

Ring focus antenna;

High gain, Low sidelobe, high G/T value;

Hot-dip zinc processed Antenna mount, with strong corrosion resistant ability;

Optional C band with 870 MHZ bandwidth;

Ku-Band 2-ports or 4 ports Linear/Circular feed optional;


Accessories:

Ground plot, foundation template, the anchor bolt;

Optional:

Deicing equipment, electric equipment, antenna controller, antenna drive, drive motor, limit switch, step autotracking, cable, connector, electric polarization, activity foundation, lightning rod and wire, high-frequency head;


ELECTRICAL SPECIFICATIONS

Type

NS-SEC-370

NS-SEC(Ku)-370

 

Operating Frequency,GHz

C-Band

Ku-Band

Receive

Transmit

Receive

Transmit

3.625~4.2

5.85~6.425

10.95~12.75

13.75~14.5

Gain, Mid-Band, dBi

42.2

45.4

51.4

52.7

Polarization

Linear or Circular

Linear

XPD(on axis),dB

35

35

35

35

Axial Ratio(2 port)  

1.30

1.09

1.25

1.1

VSWR

1.25:1

1.25:1

1.25:1

1.25:1

Antenna Noise Temperature

           10°Elevation

            30°Elevation

            50°Elevation

 

35°K

26°K

25°K

 

 

/

 

49°K

39°K

35°K

 

 

/

Typical G/T ( El.>10°)

22.3 dB/°K

(30°L N A  )

/

28.6 dB/°K(70°L N A  )

/

-3dB Beam width, Mid-Band

1.28°

0.82°

0.44°

0.38°

Tx. Power Capability, KW

/

5

/

2

Feed interface

CPR-229G

CPR-137G

WR-75

WR-75

Feed Insertion Loss, dB

≤0.15

≤0.10

≤0.25

≤0.2

Rx-Rx, Tx-Tx  Linear, dB

30

30

30

30

Tx-Tx, Rx-Rx  Circular, dB

21

21

/

/

Isolation, Tx to Rx, dB

90

85

First Sidelobe,dB

90% Peaks under Following envelop,dBi

-14

29 - 25 logθ(1°≤θ<20°)

-14

29 - 25 logθ(1°≤θ<20°)

MECHANICAL SPECIFICATIONS

Antenna Diameter

3.7 m

Antenna Type

Ring Focus

Mount Type

El. Over Az.

Surface Accuracy(RMS)

≤0.5 mm

Weight(Net)

631 kg

Antenna Pointing Range

Azimuth

Elevation

Polarization

 

360°

0°~90°

±90°

Drive Mode

Manual or Motorized

Motor Drive System

Azimuth Travel Rate

Elevation Travel Rate

Polarization speed

 

0.11°/S   

0.17°/S   

1°/S

ENVIRONMENTAL SPECIFICATIONS

Wind speed of work

72kmph work wind speed(Hold the precision )

97kmph work wind speed(Lower the precision )  

200kmph Survival Winds(Upturned lock)

Ice Load, Survival

13mm Wrapped ice normal work

25mm Wrapped ice survival

Temperature

-50℃~50℃

Relative Humidity

100%

Surface treatment

Steel parts: thermal-spraying zinc 

Aluminum parts:spray paint

Solar Radiation

1135Kcal/h/m²

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